@online{ timsrc, author = "Groh, Ulrich", title = "Vorlesung Analysis I, 9. Stunde", publisher = "Universität Tübingen", year = "2011", month = "Oct", day = "25", url = "https://timms.uni-tuebingen.de:443/tp/UT_20111025_001_ana1_0001", urldate = "2024-11-27" }